Water flow on the planet changes direction at the equator, so what the hell happens when we cross the Galactic Center?

Water flow on the planet changes direction at the equator, so what the hell happens when we cross the Galactic Center?

If you go from the northern hemisphere to the southern, water changes it's direction from counter-clockwise to clockwise (or vice-versa) so what are the physical effects on the planet when we cross the Galactic Center this year?